.jumbotron.welcome {
  position: relative;
  top: 15px;
  height: 500px;
  border-radius: 0;
  background-color: whitesmoke;
  box-shadow: 3px 3px 8px rgba(0, 0, 0, .3);
}
.powered {
  position: absolute;
  top: 25px;
  right: 25px;
}
.start-btn {
  float: right;
}
@-webkit-keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}
@-moz-keyframes rotate {
  from {
    -moz-transform: rotate(0deg);
  }
  to {
    -moz-transform: rotate(359deg);
  }
}
@-o-keyframes rotate {
  from {
    -o-transform: rotate(0deg);
  }
  to {
    -o-transform: rotate(359deg);
  }
}
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(359deg);
  }
}
@-webkit-keyframes rotate2 {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}
@-moz-keyframes rotate2 {
  from {
    -moz-transform: rotate(0deg);
  }
  to {
    -moz-transform: rotate(359deg);
  }
}
@-o-keyframes rotate2 {
  from {
    -o-transform: rotate(0deg);
  }
  to {
    -o-transform: rotate(359deg);
  }
}
@keyframes rotate2 {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(359deg);
  }
}
.windmill2 {
  position: absolute;
  bottom: 0;
  display: block;
  width: 100px;
  height: 120px;
  margin: 0;
}
.windmill2 .pillar {
  position: absolute;
  bottom: 0;
  left: 44px;
  display: block;
  width: 4px;
  height: 0;
  border-width: 0 4px 80px 4px;
  border-style: none solid solid;
  border-color: transparent transparent #b1afaf;
}
.windmill2 .axis {
  position: absolute;
  z-index: 88;
  bottom: 80px;
  left: 45px;
  width: 4px;
  height: 4px;
  -webkit-transition-duration: 20s;
  -moz-transition-duration: 20s;
  -webkit-transition-property: -webkit-transform;
  -moz-transition-property: -moz-transform;
  -webkit-animation: rotate 20s linear infinite;
  -moz-animation: rotate 20s linear infinite;
  -o-animation: rotate 20s linear infinite;
  animation: rotate 20s linear infinite;
  border: 3px rgba(158, 158, 158, .44) solid;
  border-radius: 5px;
  background: rgba(158, 158, 158, .59);
}
.windmill2 .swing {
  position: absolute;
  display: block;
  width: 2px;
  height: 0;
  border-width: 50px 2px 0 2px;
  border-style: solid solid none;
  border-color: rgba(158, 158, 158, .59) transparent transparent;
  box-shadow: 1px 1px 1px rgba(195, 188, 188, .1);
}
.windmill2 .swing.swing1 {
  top: 0;
  left: -5px;
  -webkit-transform: rotate(60deg);
  -moz-transform: rotate(60deg);
  -ms-transform: rotate(60deg);
  -o-transform: rotate(60deg);
  transform: rotate(60deg);
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  -ms-transform-origin: 0 0;
  -o-transform-origin: 0 0;
  transform-origin: 0 0;
}
.windmill2 .swing.swing2 {
  top: -4px;
  left: 2px;
  -webkit-transform: rotate(180deg);
  -moz-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  -o-transform: rotate(180deg);
  transform: rotate(180deg);
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  -ms-transform-origin: 0 0;
  -o-transform-origin: 0 0;
  transform-origin: 0 0;
}
.windmill2 .swing.swing3 {
  top: 3px;
  left: 3px;
  -webkit-transform: rotate(300deg);
  -moz-transform: rotate(300deg);
  -ms-transform: rotate(300deg);
  -o-transform: rotate(300deg);
  transform: rotate(300deg);
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  -ms-transform-origin: 0 0;
  -o-transform-origin: 0 0;
  transform-origin: 0 0;
}